baber/WOPTO huggingface dataset:
Patent JP-2021141663-A (JP)
Title: Drive device, drive system, and method for driving motor
Inventor: TAKAGI TAKASHI
IPC: H02P21/28
Filed: 2020-03-03
Abstract: To provide a drive device for controlling a drive voltage of a motor by a sensor-less method and comparatively simple processing.SOLUTION: A drive device comprises a phase estimation unit and a voltage control unit. The phase estimation unit estimates a phase of a stator interlinkage magnetic flux of a motor based on a current flowing through the motor, a voltage command of a drive voltage applied to the motor, and a winding resistance value of the motor. The voltage control unit acquires a first voltage vector component in a direction in which the stator interlinkage magnetic flux acts and a second voltage vector component in a direction orthogonal to the direction in which the stator interlinkage magnetic flux acts with respect to the voltage command of the drive voltage to set the voltage command of the drive voltage based on the first voltage vector component and the second voltage vector component.SELECTED DRAWING: Figure 3
Patent JP-2021137405-A (JP)
Title: Bottom device and bed device
Inventor: SAKURAI SEITARO
IPC: A47C20/08
Filed: 2020-03-06
Abstract: To provide a more comfortable bottom device and a bed device.SOLUTION: A bottom device according to an embodiment includes a first portion on a head side, a second portion on a waist side, and a first driving mechanism. The first portion includes a first lower surface, and a convex part provided on the first lower surface. The second portion includes a second lower surface, and a first member provided on the second lower surface, and capable of supporting the first lower surface, and is connected to the first portion. The first driving mechanism pushes up the convex part, and thereby the first portion can rotate with a connection portion between the first portion and the second portion as a rotation shaft.SELECTED DRAWING: Figure 1
Patent JP-2020166248-A (JP)
Title: Toner composition and process with less or no titania surface additive
Inventor: RICHARD P N VEREGIN
IPC: G03G9/08
Filed: 2020-03-10
Abstract: To improve a toner flow and improve an additive for reducing BCR contamination.SOLUTION: A toner contains toner particles containing at least one resin in combination of an arbitrary coloring agent and an arbitrary wax, and a copolymer toner additive on at least a part of an external surface of the toner particles, in which the copolymer toner additive contains a first monomer having a high carbon to oxygen ratio of approximately 3 to approximately 8 and a second monomer containing two or more vinyl groups, the second monomer is present in the copolymer in an amount of more than approximately 8 wt.% to approximately 60 wt.% based on the weight of the copolymer, and the copolymer toner additive has a volume average particle diameter of approximately 20 nanometers or more and less than approximately 70 nanometers. An emulsification aggregation toner process contains a copolymer as a toner surface additive.SELECTED DRAWING: None
Patent JP-2021142044-A (JP)
Title: Game machine
Inventor: OGURA TOSHIO
IPC: A63F7/02
Filed: 2020-03-11
Abstract: To provide a game machine capable of excellently giving an instruction to encourage a player to shoot game balls in a prescribed direction.SOLUTION: While Fanfare performance is executed, big right shooting promotion performance and small right shooting promotion performance are executed, after which during a jackpot round, the big right shooting promotion performance is ended, while the small right shooting promotion performance is continued. In a probability variable state or a time-shortening state after a jackpot game state is over, the small right shooting promotion performance continues to be executed. After the jackpot occurs, switch display performed when the Fanfare performance is executed and then switch to a jackpot round occurs does not affect the small right shooting promotion performance. Even by image display by group notice performance or the like executed in the probability variable state or the time-shortening state executed after the jackpot game state is over, the small right shooting promotion performance is not affected.SELECTED DRAWING: Figure 10-49
Patent JP-2021143108-A (JP)
Title: Cement clinker
Inventor: OTA MASAMI
IPC: C04B7/02
Filed: 2020-03-13
Abstract: To provide a cement clinker, compared to conventional cement clinker, that can reduce the firing temperature during manufacturing, increase the amount of waste matter used, and can suppress the change of color tone of cement even if the Fe2O3 content increases.SOLUTION: The change of color tone of cement can be suppressed by using a cement clinker that has a total amount of C3A and C4AF calculated by the Bogue formula of 22% or more, a C3S amount of 60% or more, and an iron modulus (I.M.) of 1.3 or less and in which the contained amount of TiO2 in the cement clinker is adjusted to 1.1 to 2.0 wt%.SELECTED DRAWING: None
Patent JP-2021144190-A (JP)
Title: Display device
Inventor: HIRAI AKIRA
IPC: G02F1/1347
Filed: 2020-03-13
Abstract: To provide a display device having high light extraction efficiency from a light source.SOLUTION: A display device comprises an illumination device and a display liquid crystal panel. The illumination device emits light. The display liquid crystal panel displays an image by controlling the transmission of the light from the illumination device. The illumination device has a light source and a lighting control liquid crystal panel. The lighting control liquid crystal panel is arranged closer to the display liquid crystal panel than the light source. The lighting control liquid crystal panel has a signal line and a reflection layer. The reflection layer is arranged closer to the light source than the signal line and in at least part of a region overlapping the signal line in a plan view. The reflection layer has a higher average luminous reflectance in a visible wavelength region between 400 nm to 700 nm than the signal line.SELECTED DRAWING: Figure 1
Patent JP-2021142631-A (JP)
Title: Photothermal conversion member and photothermal conversion device equipped with the same
Inventor: KAJI MASAMI
IPC: B82B1/00
Filed: 2020-03-13
Abstract: To improve efficiency of heat exchange between fluid and nanoparticles on photothermal conversion members.SOLUTION: A photothermal conversion member 10 includes a base 1 being an aggregate in which a plurality of linear members are irregularly arranged, and a plurality of nanoparticles 2 provided on a surface of each of the plurality of linear members and converting light into heat by surface plasmon resonance. The photothermal conversion member 10 also includes a lattice-like first substrate spread on a first virtual plane, a lattice-like second substrate spread on a second virtual plane facing the first virtual plane, and a plurality of nanoparticles provided on surfaces of the first substrate and the second substrate, respectively, which convert light into heat by surface plasmon resonance. The first substrate and the second substrate are positioned to be displacing lattices when viewed in a plan view.SELECTED DRAWING: Figure 2
Patent JP-2021143566-A (JP)
Title: Toilet bowl device
Inventor: HIGASINO TORU
IPC: E03D9/08
Filed: 2020-03-13
Abstract: To achieve space saving without enlargement of a height dimension of a functional part in a toilet bowl device with a private part washing mechanism.SOLUTION: A toilet bowl device 1 comprises a functional part 3 which is arranged in a toilet bowl body 10 and in which functional components 9 are arranged, a private part washing mechanism 4 which is arranged in the functional part 3 for cleaning a user, and an air gap mechanism 5 which is connected to a water supply line 94 for supplying washing water from the upstream side to the private part washing mechanism 4 and discharges waste water of surplus washing water while preventing flowback of washing water from the downstream side. The air gap mechanism 5 has a drain part 6 which is arranged below any of the functional components 9 arranged in the functional part 3 excluding a nozzle part 41 of the private part washing mechanism 4, and discharges waste water from the drain part 6.SELECTED DRAWING: Figure 3
Patent JP-2021150702-A (JP)
Title: Moving image decoding apparatus and moving image coding apparatus
Inventor: NAKAJO TAKESHI
IPC: H04N19/503
Filed: 2020-03-17
Abstract: To provide a moving image decoding apparatus and a moving image coding apparatus, in which a reference picture is not defined.SOLUTION: A moving image decoding apparatus includes an inter prediction part that decodes a plurality of reference picture list structures, and selects one reference picture list structure from the plurality of reference picture list structures at a picture unit or a slice unit. In the plurality of reference picture list structures, all of the number of reference pictures is set to 1 or larger to avoid the reference picture list structure of which the number of reference pictures is 0.SELECTED DRAWING: Figure 5
Patent JP-2021146816-A (JP)
Title: Control device of vehicle
Inventor: HAYASAKA AKIHITO
IPC: B60W10/06
Filed: 2020-03-17
Abstract: To suppress the deterioration of drivability by making an electric motor torque amount necessary for a start of an engine easily secured at the start of the engine.SOLUTION: In EV traveling, since outputtable prediction motor torque Tmmaxf is calculated by using a prediction motor rotational speed Nmf which is calculated according to an operation state of a lockup clutch, and the presence or absence of a start requirement of an engine is determined by using the outputtable prediction motor torque Tmmaxf, a start of the engine becomes possible in a state where a necessary start torque Tst amount during the transition of the start of the engine is easily secured irrespective of the operation state of the lockup clutch even if maximum motor torque Tm which is outputtable in future is decreased below the maximum motor torque Tm which is outputtable at the start of the engine. Therefore, the start torque Tst amount necessary for the start of the engine including the transition of the start of the engine is easily secured, and the deterioration of drivability can be suppressed.SELECTED DRAWING: Figure 5
Patent JP-2021147514-A (JP)
Title: Copolymer including benzotriazole-based ultraviolet-absorbing unit and composition thereof
Inventor: KANEKO NOBUHIRO
IPC: C08F220/06
Filed: 2020-03-19
Abstract: To provide a copolymer that efficiently absorbs ultraviolet rays having a wavelength of 360-420 nm; exhibits high affinity; and has excellent solubility and dispersibility when combined with water, and a composition of the copolymer.SOLUTION: A copolymer of monomer components according to the present invention contains following monomer (A), monomer (B) and/or monomer (C). Monomer (A): a benzotriazole compound having a monovalent sulfur containing group. Monomer (B): a carboxy group-containing vinyl monomer or a salt thereof. Monomer (C): a hydroxy alkyl group-containing vinyl monomer.SELECTED DRAWING: None
Patent JP-2020163133-A (JP)
Title: Game machine
Inventor: ICHIHARA TAKAAKI
IPC: A63F7/02
Filed: 2020-03-23
Abstract: To provide a game machine capable of maintaining game interest.SOLUTION: A Pachinko machine 1 includes start pockets capable of receiving a game ball shot into a game area 5a. When a game ball enters a start pocket, determination processing for winning is performed. Then, variation display corresponding to the determination processing result is started, and a winning game is played when a winning pattern is displayed in the variation display. In this respect, the Pachinko machine 1 permits special display within a performance reception period to operation means.SELECTED DRAWING: Figure 60
Patent JP-2021068408-A (JP)
Title: Optical fingerprint sensor
Inventor: WANG WEI-KO
IPC: G06T1/00
Filed: 2020-03-24
Abstract: To provide an optical fingerprint sensor with a wide field of view (FOV).SOLUTION: An optical fingerprint sensor is provided, comprising: a substrate having a plurality of photoelectric conversion units provided thereon; a first light-shielding layer disposed on the substrate and provided with a plurality of first apertures; and a second light-shielding layer disposed over the first light-shielding layer and provided with a plurality of groups of second apertures, where each of the first apertures corresponds to each group of the second apertures.SELECTED DRAWING: Figure 1
Patent JP-2021153754-A (JP)
Title: Drying machine and drying method
Inventor: NAGATA SHINTARO
IPC: F26B9/00
Filed: 2020-03-26
Abstract: PURPOSE: To provide a drying machine and a drying method that can transmit temperature of heat sources to a shoe member more efficiently, and thereby can improve efficiency of drying furthermore.SOLUTION: A drying machine and a drying method of the present invention are used for drying a shoe member. The drying machine comprises an enclosure for forming a drying chamber inside, a conveyance unit for conveying the shoe member serving as a drying target in the drying chamber from an inlet to an outlet, and multiple heat sources arranged in the dry chamber and increasing temperature. The multiple heat sources each comprise a near infrared heat source and a middle infrared heat source. The near infrared heat source and the middle infrared heat source are arranged alternately side by side at least in some region in the drying chamber. The drying method comprises drying the shoe member serving as the drying target alternately by the near infrared heat source and the middle infrared heat source at least in some region in the drying chamber.SELECTED DRAWING: Figure 3
Patent JP-2020101085-A (JP)
Title: Steel sheet pile and construction method of the same
Inventor: KONO KENJI
IPC: E02D5/08
Filed: 2020-03-27
Abstract: To provide a steel sheet pile formed of a combination of an H-shaped steel and a half-cut linear steel sheet pile, and a construction method of the same, which solves various problems of an existing steel component.SOLUTION: A steel sheet pile 1 of this invention is constituted of an H-shaped steel welded with half-cut linear steel sheet piles (half-cut bodies 9) in a Z-shape at each of flange end portions 5E of either one of two pairs of flange end portions 5E that are symmetrical with respect to a point, with a web 3 of the H-shaped steel 7 interposed in between.SELECTED DRAWING: Figure 1
Patent JP-2021160154-A (JP)
Title: Woody material and woody material manufacturing method
Inventor: MASUKO HIROSHI
IPC: B27D1/04
Filed: 2020-03-31
Abstract: To provide a woody material with a veneer spirally or concentrically laminated, which has shaft strength, shear strength, and bending strength more than a wood, and a manufacturing method for the woody material.SOLUTION: A woody material 1 is a woody material in which a veneer 2 is spirally or concentrically laminated, and comprises a reinforcement plate 3 between layers of the veneer 2. Further a manufacturing method for the woody material comprises: a process for manufacturing a veneer with reinforcement plate, in which a veneer 4 with reinforcement plate, in which a reinforcement plate 3 is placed on at least one surface of a veneer 2, or the like is manufactured; and a woody material formation process in which the veneer 4 with reinforcement plate is spirally wound on a core material 5, or the veneer with reinforcement plate is concentrically wound on the core material to form a woody material having a prescribed cross-sectional shape.SELECTED DRAWING: Figure 1
Patent JP-2021159934-A (JP)
Title: Opposing electrode determination method, opposing electrode determination device and jig for use in the same
Inventor: ISHIZAKI NAOTAKE
IPC: B23K11/30
Filed: 2020-03-31
Abstract: To inexpensively determine the correctness of a combination of a pair of opposing electrodes in a short time.SOLUTION: An opposing electrode determination method comprises: a process for forming receiving parts 72, 73 into which a pair of opposing electrodes 12, 13 can be inserted at both side, and moving a pair of the opposing electrodes 12, 13 toward a gripped member 7 which is fixed to a frame member 4; a process for inserting a pair of the opposing electrodes 12, 13 into the corresponding receiving parts 72, 73 by gripping the gripped part 7 by a pair of the opposing electrodes 12, 13; a process for measuring an inter-electrode distance between a pair of the opposing electrodes 12, 13; and a process for determining the correctness of a combination of a pair of the opposing electrodes 12, 13 based on the inter-electrode distance. The receiving parts 72, 73 are constituted so as to make insertion margins of the opposing electrodes 12, 13 differ from each other according to tip shapes of a pair of the opposing electrodes 12, 13.SELECTED DRAWING: Figure 5A
Patent JP-2021169721-A (JP)
Title: Support device that supports hinge and fixing device with fixing member for fixing support device
Inventor: KONO SEIJI
IPC: E06B3/32
Filed: 2020-04-15
Abstract: To provide a support device that supports a hinge and a fixing device with a fixing member for fixing the support device.SOLUTION: A fixing device includes: a bottom surface 310 being a bottom part and made of a stone material; a wall surface 350 being a wall adjacent to the bottom surface and made of a stone material; a second wall surface 360 being a wall adjacent to the wall surface, as well as, adjacent to the bottom surface and made of a stone material and; a support member 20 for supporting a hinge part 100 for supporting an opening/closing part 180 in an openable/closable manner that closes an opening part 370 opened to the second wall surface; and a fixing member 50 used for fixing the support member and made of a stone material. The fixing member adheres to the bottom surface being the bottom part together with the support member, and also adheres to the wall surface so as to fix the support member.SELECTED DRAWING: Figure 3
Patent JP-2021173437-A (JP)
Title: Heating cooker
Inventor: FUJIMOTO KAORI
IPC: F24C7/02
Filed: 2020-04-21
Abstract: To provide a heating cooker capable of allowing a user to immediately recognize the tendency of menus displayed on a menu screen.SOLUTION: A heating cooker 1 includes a display portion 21, an acquisition portion 311, and a display control portion 313. The acquisition portion 311 acquires menu information including a plurality of menus and a plurality of pieces of time information respectively corresponded to the plurality of menus. The display control portion 313 displays a menu screen including a part of the plurality of menus in the menu information acquired by the acquisition portion 311 on the display portion 21. The display control portion 313 determines a part of the menus according to a display timing of the menu screen from the plurality of menus on the basis of the plurality of pieces of time information corresponded to the plurality of menus in the menu information, and displays the menu screen in a display mode according to the display timing.SELECTED DRAWING: Figure 2
Patent JP-2021173798-A (JP)
Title: Developing device and image forming apparatus
Inventor: SUGANUMA TAKUYA
IPC: G03G15/08
Filed: 2020-04-21
Abstract: To provide a developing device that can satisfactorily prevent scattering of toner compared with before.SOLUTION: A developing device comprises: a developer carrier 50; developing cases 58a to 58d that include an opening for exposing a surface of the developer carrier 50; and a flexible sheet member 70 that is carried by the developer carrier 50 and is brought into contact with developer passing through the opening and entering the inside of the developing cases. The sheet member 70 is supported by the developing cases at an end 70a on the opening side in a developer moving direction and an end 70b on the opposite side of the end on the opening side in the developer moving direction, and is brought into contact with the developer on the developer carrier at a portion between both ends in the developer moving direction. It is desirable that the end on the opening side of the sheet member 70 be fixed to the developing cases and the end on the opposite side of the opening of the sheet member be a free end and in contact with an inner surface of the developing cases.SELECTED DRAWING: Figure 1
Patent JP-2020127229-A (JP)
Title: Receiver
Inventor: WATANABE HIROSHIGE
IPC: H04N21/442
Filed: 2020-04-27
Abstract: To provide a receiver that, when security communication is executed, can obtain display indicating that the security communication is executed in a state where a video and a multimedia content are displayed full-screen.SOLUTION: According to an embodiment, when a communication state detected by a security operation detection unit is a state where an error occurs during execution of security communication, the cause of the error being that when a route certificate is on the receiver side, but verification with a server certificate in a connection destination cannot be made, safety of the connection destination cannot be checked with the currently set route certificate, and thus security communication cannot be executed, and the cause of the error being that when the certificate in the connection destination reaches its expiration date, security communication cannot be executed because the certificate in the connection destination reaches its expiration date, are respectively displayed overlapping a video that is displayed full-screen.SELECTED DRAWING: Figure 3A
Patent JP-2021172239-A (JP)
Title: Travel control device, information processing device, and information processing method
Inventor: HARADA TAKAHIRO
IPC: B60W30/165
Filed: 2020-04-27
Abstract: To provide a technology for reducing a load due to a calculation for achieving vehicle travel in a travel control device for controlling the vehicle travel.SOLUTION: A travel control device controls travel of a vehicle which can switch a travel function with an autonomous travel function and a follow-up travel function. The travel control device includes a control part for executing the detection of an other vehicle which exists within a prescribed range from a vehicle and has a portion of or all of the same scheduled travel route as a scheduled travel route of the vehicle and switching of the travel function of the vehicle from the autonomous travel function to the follow-up travel function so as to automatically follow up the detected other vehicle as the preceding vehicle when the vehicle travels by the autonomous travel function.SELECTED DRAWING: Figure 5
Patent JP-2021125674-A (JP)
Title: Heat dissipation structure and ethernet power access point including the same
Inventor: JUNG MIN SUNG
IPC: H05K7/20
Filed: 2020-04-30
Abstract: To provide a pipe-shaped heat dissipation structure into which a power supply board or a communication board can be fitted, and an Ethernet power supply access point including the heat dissipation structure.SOLUTION: An ethernet power access point includes a first board, a second board, and a heat dissipation structure 130 in a form of a pipe with at least one flat surface, in which the first board is fitted inside the pipe-shaped heat dissipation structure 130, and one side of the heat dissipation structure 130 to which the first board is fitted is attached to one side of the second board. The heat dissipation structure 130 is embodied in the form of a square pipe, includes multiple connecting grooves formed on the side surface by a certain length such that the first board is fitted inside the heat dissipation structure 130 through the front where the first board is open, has a lower end surface to which one side of the second board is attached, and includes a vent provided and separated at a certain interval from the connecting groove formed on at least one side surface.SELECTED DRAWING: Figure 4